Home / 12,294.57-16,968-6,989.88

Finding the Fourth Proportional to 12,294.57, 16,968 and 6,989.88

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Solution

The fourth proportional to 12,294.57, 16,968 and 6,989.88 is: 9,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.57 : 16,968 = 6,989.88 : x
  2. Step 2: Convert to fraction form
    12,294.57/16,968 = 6,989.88/x
  3. Step 3: Cross multiply
    12,294.57x = 16,968 × 6,989.88
  4. Step 4: Simplify right side
    12,294.57x = 118,604,283.84
  5. Step 5: Solve for x
    x = 118,604,283.84/12,294.57
  6. Step 6: Final answer
    x = 9,646.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.